Canned cucumbers "Sandwich" in sweet and sour marinade

Ingredients:

• Half an onion, thinly sliced
• 2 medium cucumbers, thinly sliced
• 1 cup of water
• 1 cup apple cider vinegar
• 0.5 cup champagne vinegar
• 0.5 cups of sugar
• 2 tbsp + 2 tsp coarse salt
• 1 tsp. mustard seeds
• 1/4 tsp ground turmeric
• 1 teaspoon celery seeds
• 1 tsp seasonings for pickling vegetables
• 4 whole cloves garlic, crushed

Preparation:

1. Combine onion rings and cucumbers in a clean zip-top jar.
2. Combine all remaining ingredients except the garlic in a non-reactive saucepan. Bring to a boil and simmer for a full 4 minutes to release the aroma of the spices.
3. Add the garlic cloves to the jar. Slowly and carefully pour the marinade over the vegetables, filling the jar to the very top.
4. Let cool to room temperature. Pour the remaining marinade into the jar and refrigerate.